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  #1  
Old 28th January 2010, 08:03 AM
tokyojoe Offline
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Location: Tokyo, Japan
Posts: 50
linuxfedorafirefox
Tuning kernel for AMD processor

Hi,

I would like to compile a tuned up kernel for AMD processor,
so I guess I can start by getting rid of all INTEL specific option:
CONFIG_CPU_SUP_INTEL=n
CONFIG_X86_MCE_INTEL=n
CONFIG_MICROCODE_INTEL=n
CONFIG_KVM_INTEL=n
are there other one I can get rid off ?

Also what's the difference performance wise to have something configure in the kernel directly or as a module ?
I am using KVM, so would it be better to put it in the kernel directly ?
CONFIG_KVM=m
CONFIG_KVM_AMD=m


Thanks
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  #2  
Old 28th January 2010, 08:44 AM
smurffit Offline
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Posts: 190
linuxfirefox
Well, i wouldn't edit the config file but use "make menuconfig".
With that program you can easily find AMD/Intel related items.

For modules vs. builtin. I suggest compiling things directly in the kernel you ALWAYS use (graphics driver, file system, network, etc.) Because loading modules costs performance (also does a overloaded kernel )

Well.. i guess it's the same like AMD vs. Intel, Gnome vs. KDE, etc.
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  #3  
Old 28th January 2010, 04:06 PM
cyberneticdna Offline
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Posts: 2
windows_xp_2003firefox
Definately interested in doing this

Never knew that the kernels are defaulted to Intel. I am definitely interested in learning how to do this myself. How difficult would it be to tweak the kernel for AMD. Menuconfig looks like a great tool to use. I'm assuming you would go under processor types and features to change from intel to amd. How much of a performance boost would this increase? What would be the major benefits of it?

I would greatly appreciate if someone would dive deeper into this so I can get a complete understand of the benefits and the best procedure to get this done.
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  #4  
Old 30th January 2010, 09:28 PM
tcpip4000 Offline
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Join Date: Nov 2009
Posts: 32
windows_7firefox
This guide will help you to customize a fedora kernel to your needs:

http://fedoraproject.org/wiki/Docs/CustomKernel

Then you can easily install your tuned kernel to other rpm based distributions.
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